@import "variables";

@mixin tooltip {
  .tooltip {
    visibility: hidden;
    width: 80px;
    padding: 8px 12px;
    background: #242E42;
    box-shadow: 0px 4px 8px rgba(36, 46, 66, 0.2);
    border-radius: 4px;
    transform: translateX(-50%);
    box-sizing: border-box;
    /* 定位 */
    position: absolute;
    z-index: 1;

    font-family: PingFang SC;
    font-style: normal;
    font-size: 12px;
    line-height: 20px;
    color: #fff;
    text-align: center;

    &::after {
      content: " ";
      position: absolute;
      top: 100%;
      /* 提示工具底部 */
      left: 50%;
      margin-left: -5px;
      border-width: 5px;
      border-style: solid;
      border-color: #242E42 transparent transparent;
    }
  }
}

.navigation {
  box-shadow: 0 4px 8px 0 rgba(36, 46, 66, 0.06), 0 8px 16px 0 rgba(36, 46, 66, 0.05);
  background-image: linear-gradient(to bottom, rgba(134, 219, 162, 0.9), rgba(0, 170, 114, 0.9));
}

.section-1 {
  padding-top: 98px;
  @media only screen and (max-width: $mobile-max-width) {
    padding-top: 128px;
  }
  span {
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: -0.04px;
    color: #3d3e49;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
    a {
      color: #3d3e49;

      &:hover {
        color: #00aa72;
      }
    }

    &:last-child {
      opacity: 0.6;
    }
  }
}

.section-2 {
  margin-top: 4px;

  .common-layout {
    display: flex;
    align-items: flex-start;

    .left {
      position: relative;
      box-sizing: border-box;
      width: 781px;
      padding: 20px;
      background-color: #ffffff;

      iframe {
        width: 100%;
        height: 800px;
      }

      & > video {
        width: 100%;
        margin-bottom: 10px;
        outline: none;
      }

      .date {
        display: flex;
        align-items: center;
        font-size: 14px;
        line-height: 1.43;
        color: #919aa3;

        .time {
          display: inline-block;
          margin-right: 4px;
          width: 14px;
          height: 14px;
          background-image: url("/images/learn/time.svg");
        }
      }

      .pdf-div {
        margin-top: 10px;
      }

      @media only screen and (max-width: $mobile-max-width) {
        width: 100%;
        padding: 10px;

        iframe {
          height: 600px;
        }
      }
    }

    .right {
      box-sizing: border-box;
      width: 368px;
      padding: 24px 20px 0 20px;
      min-height: 488px;
      max-height: 600px;
      margin-left: 15px;
      overflow: auto;
      background-color: #ffffff;

      @media only screen and (max-width: $mobile-max-width) {
        display: none;
      }

      .sections {
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-bottom: 12px;

        .sectionFolder {
          box-sizing: border-box;
          width: 328px;
          display: flex;
          align-items: center;
          flex-direction: row;
          padding: 9px 16px;
          background: #F9FBFD;
          border-radius: 4px;
          position: relative;

          &:hover {
            cursor: pointer;
            background: #EFF4F9;
          }

          .text {
            font-weight: 500;
            font-size: 16px;
            line-height: 22px;
            width: 264px;
            text-overflow: ellipsis;
            white-space: nowrap;
            overflow: hidden;
          }

          .icon {
            display: block;
            height: 10px;
            width: 10px;
            background-image: url('/images/learn/icon-setion-close.svg');
            background-repeat: no-repeat;
            position: absolute;
            right: 17px;
          }
        }

        .active {
          background: linear-gradient(180deg, #242E42 0%, #36435C 100%) !important;
          color: #ffffff;

          &>.icon {
            background-image: url('/images/learn/icon-setion-open.svg');
          }
        }

        ul {
          transition: 1.2s;

          li {
            width: 320px;
            height: 24px;
            margin: 16px 0px;
            list-style: none;
            display: flex;
            align-items: center;
            position: relative;
            cursor: pointer;

            .textLink {
              width: 252px;
              display: flex;
              align-items: center;

              .videoIcon {
                display: block;
                width: 12px;
                height: 12px;
                margin-right: 8px;
                background-image: url('/images/learn/lesson-video.svg');
              }

              .text {
                flex: 1;
                font-family: PingFang SC;
                font-style: normal;
                font-weight: normal;
                font-size: 14px;
                line-height: 24px;
                display: block;
                overflow: hidden;
                white-space: nowrap;
                text-overflow: ellipsis;
              }
            }

            .actions {
              width: 68px;
              height: 24px;
              display: flex;
              flex-direction: row;
              align-items: center;
              justify-content: flex-end;

              .picture {
                width: 16px;
                height: 12px;
                background-image: url('/images/learn/actions-picture.svg');
                background-repeat: no-repeat;
                position: relative;

                @include tooltip();

                &:hover {
                  background-image: url('/images/learn/actions-picture-active.svg');

                  .tooltip {
                    visibility: visible;
                    bottom: 20px;
                    left: 8px;
                  }
                }
              }

              .activePicture {
                background-image: url('/images/learn/actions-picture-open.svg') !important;
              }

              .ppt {
                width: 16px;
                height: 16px;
                background-image: url('/images/learn/actions-ppt.svg');
                background-repeat: no-repeat;
                position: relative;
                margin: 0 10px;
                @include tooltip();

                &:hover {
                  .tooltip {
                    visibility: visible;
                    bottom: 20px;
                    left: 8px;
                  }
                }
              }

              .download {
                width: 16px;
                height: 16px;
                background-image: url('/images/learn/actions-download.svg');
                background-repeat: no-repeat;
                position: relative;
                @include tooltip();

                &:hover {
                  .tooltip {
                    visibility: visible;
                    bottom: 20px;
                    left: 8px;
                  }
                }
              }
            }

            &:hover {
              .textLink {
                .videoIcon {
                  background-image: url('/images/learn/lesson-video-hover.svg');
                }
              }

              .text {
                color: #4CA986;
              }
            }
          }

          .pptActive{
            .text {
              color: #4CA986;
            }
          }

          .activeLine {
            .textLink {
              .videoIcon {
                background-image: url('/images/learn/lesson-video-play.svg') !important;
              }

              .text {
                color: #4CA986;
              }
            }
          }
        }

        .hideLesson {
          display: none;
        }
      }
    }
  }
}

@keyframes playing {
  0% {
    height: 100%;
  }
  50% {
    height: 50%;
  }
  100% {
    height: 100%;
  }
}